(19)

(11)

EP 2 637 982 A1

(12)

(43) Date of publication: 18.09.2013 Bulletin 2013/38 (21) Application number: 11782412.8 (22) Date of filing: 09.11.2011

(51) International Patent Classification (IPC):  C03C 25/32(2006.01) D04H 1/72(2012.01) D04H 13/00(2006.01) (86) International application number: PCT/EP2011/069735 (87) International publication number: WO 2012/062801 (18.05.2012 Gazette 2012/20)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 09.11.2010 US 411644 P 09.11.2010 EP 10190521 (71) Applicant: Rockwool International A/S 2640 Hedehusene (DK)	(72) Inventors: DE KUBBER, Daan Louis NL-6041 XR Roermond (NL) LYBYE, Dorthe DK-4000 Roskilde (DK) (74) Representative: Held, Stephan  Meissner, Bolte & Partner GbR Widenmayerstraße 47 80538 München 80538 München (DE)